Q.

Wavelengths of two electromagnetic radiations A and B are 300 nm and 30 A0 respectively. Ratio of velocity of B to A will be

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a

100 : 1

b

1 : 100

c

1 : 1

d

10 : 1

answer is C.

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Detailed Solution

All EMR will travel with same velocity ;Velocity of EMR is 3×108 m/s ;
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Wavelengths of two electromagnetic radiations A and B are 300 nm and 30 A0 respectively. Ratio of velocity of B to A will be